Analysis of Class 8 truck technologies for their fuel savings and economics |
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| Institution: | 1. Institute for Integrated Energy Systems, and Mechanical Engineering Department, University of Victoria, Victoria, Canada;2. School of Resource & Environmental Management, Simon Fraser University, Burnaby, Canada;1. Advanced Power and Energy Program, University of California Irvine, CA 92697-3550, USA;2. Department of Civil and Environmental Engineering, University of California Irvine, CA 92697-2175, USA;3. Department of Mechanical and Aerospace Engineering, University of California Irvine, CA 92697-3975, USA;1. Oak Ridge Institute for Science and Education, U.S. Department of Energy – Fuel Cell Technologies Office, 1000 Independence Avenue SW, Washington, DC 20585, USA;2. Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA;3. U.S. Department of Energy – Fuel Cell Technologies Office, 1000 Independence Avenue SW, Washington, DC 20585, USA |
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| Abstract: | Non-electrification efficiency-improving technologies and powertrain technologies for reducing the heavy-duty truck fuel consumption are studied. The study indicates that improvements in engine efficiency, aerodynamic drag and rolling resistance will benefit fuel economy significantly over the day drive and over-the-road highway driving cycles; 6–13% in fuel savings can be expected from each technology. Hybridization can achieve fuel saving of 16% and is financially attractive for the day drive cycle. Compared to the baseline Class 8 conventional trucks, an improvement of 20–22% and 28–50% in fuel economy by 2020 can be expected using non-electrification efficiency-improving and a combination of non-electrification and hybrid technologies. Fuel economy improvements of a factor of four to five can be achieved by hybridizing the heavy-duty trucks used on ocean ports. |
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| Keywords: | Fuel economy Fuel savings Sensitivity Class 8 trucks Hybridization |
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